Keystones — Bedrock
Five GCSE retrieval questions · 7 October 2020 · mathsvault.uk/keystones
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1. Number Adding whole numbers
Calculate: 10 + 45
Answer: 10 + 45 = 55 -
2. Algebra Substitution
If x = 5, find the value of 6x + 8
Answer: 38 -
3. Geometry Converting lengths
Convert 26cm to mm
Answer: 260mm -
4. Ratio Simplifying ratios
Simplify the ratio 20:30
Answer: 2:3 -
5. Statistics Mean
Find the mean of: 16, 14, 11, 15, 17
Answer: 14.6